Chem

1. The kinetic molecular theory describes the behavior of gases in terms of particles in...

• Constant motion

• Fixed positions

• Magnetic fields

• Equilibrium

Temperature at which the vapor pressure of a liquid equals the external or atmospheric pressure

• boiling point

• freezing point

• melting point

Temperature at which a liquid is converted into a crystalline solid

• boiling point

• freezing point

• melting point

What are surfactants used for?

• Increasing the surface tension of water

• Decreasing the surface tension of water

• Increasing the viscosity of liquids

• Decreasing the viscosity of liquids

Which of the following is an exception to the general rule that most solids are denser than liquids?

• Steel

• Glass

• Water

• Gold

What is the primary difference between crystalline solids and amorphous solids?

• Crystalline solids have a regular, repeating pattern, while amorphous solids do not

• Amorphous solids have a regular, repeating pattern, while crystalline solids do not

• Crystalline solids are always denser than amorphous solids

• Amorphous solids are always denser than crystalline solids

What is the main factor that causes capillary action?

• Strong cohesion forces

• Strong adhesion forces to the walls of the cylinder

• Weak cohesion forces

• Weak adhesion forces to the walls of the cylinder

What property do liquids have concerning volume and shape?

• Fixed volume and fixed shape

• Fixed volume, not fixed shape

• Not fixed volume, fixed shape

• Not fixed volume, not fixed shape

What force is present in the image?

• Dispersion forces

• 1. Dipole-dipole forces

• 1. Hydrogen bonding

What force is present in the image?

• Dispersion forces

• 1. Dipole-dipole forces

• 1. Hydrogen bonding